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/**
* Copyright (c) 2014 Redpine Signals Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __RSI_MAIN_H__
#define __RSI_MAIN_H__
#include <linux/string.h>
#include <linux/skbuff.h>
#include <net/mac80211.h>
#define ERR_ZONE BIT(0) /* For Error Msgs */
#define INFO_ZONE BIT(1) /* For General Status Msgs */
#define INIT_ZONE BIT(2) /* For Driver Init Seq Msgs */
#define MGMT_TX_ZONE BIT(3) /* For TX Mgmt Path Msgs */
#define MGMT_RX_ZONE BIT(4) /* For RX Mgmt Path Msgs */
#define DATA_TX_ZONE BIT(5) /* For TX Data Path Msgs */
#define DATA_RX_ZONE BIT(6) /* For RX Data Path Msgs */
#define FSM_ZONE BIT(7) /* For State Machine Msgs */
#define ISR_ZONE BIT(8) /* For Interrupt Msgs */
#define FSM_CARD_NOT_READY 0
#define FSM_BOOT_PARAMS_SENT 1
#define FSM_EEPROM_READ_MAC_ADDR 2
#define FSM_RESET_MAC_SENT 3
#define FSM_RADIO_CAPS_SENT 4
#define FSM_BB_RF_PROG_SENT 5
#define FSM_MAC_INIT_DONE 6
extern u32 rsi_zone_enabled;
static inline void rsi_dbg(u32 zone, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
if (zone & rsi_zone_enabled)
pr_info("%pV", &vaf);
va_end(args);
}
#define RSI_MAX_VIFS 1
#define NUM_EDCA_QUEUES 4
#define IEEE80211_ADDR_LEN 6
#define FRAME_DESC_SZ 16
#define MIN_802_11_HDR_LEN 24
#define DATA_QUEUE_WATER_MARK 400
#define MIN_DATA_QUEUE_WATER_MARK 300
#define MULTICAST_WATER_MARK 200
#define MAC_80211_HDR_FRAME_CONTROL 0
#define WME_NUM_AC 4
#define NUM_SOFT_QUEUES 5
#define MAX_HW_QUEUES 8
#define INVALID_QUEUE 0xff
#define MAX_CONTINUOUS_VO_PKTS 8
#define MAX_CONTINUOUS_VI_PKTS 4
/* Queue information */
#define RSI_WIFI_MGMT_Q 0x4
#define RSI_WIFI_DATA_Q 0x5
#define IEEE80211_MGMT_FRAME 0x00
#define IEEE80211_CTL_FRAME 0x04
#define IEEE80211_QOS_TID 0x0f
#define IEEE80211_NONQOS_TID 16
#define MAX_DEBUGFS_ENTRIES 4
#define TID_TO_WME_AC(_tid) ( \
((_tid) == 0 || (_tid) == 3) ? BE_Q : \
((_tid) < 3) ? BK_Q : \
((_tid) < 6) ? VI_Q : \
VO_Q)
#define WME_AC(_q) ( \
((_q) == BK_Q) ? IEEE80211_AC_BK : \
((_q) == BE_Q) ? IEEE80211_AC_BE : \
((_q) == VI_Q) ? IEEE80211_AC_VI : \
IEEE80211_AC_VO)
struct version_info {
u16 major;
u16 minor;
u16 release_num;
u16 patch_num;
} __packed;
struct skb_info {
s8 rssi;
u32 flags;
u16 channel;
s8 tid;
s8 sta_id;
};
enum edca_queue {
BK_Q,
BE_Q,
VI_Q,
VO_Q,
MGMT_SOFT_Q
};
struct security_info {
bool security_enable;
u32 ptk_cipher;
u32 gtk_cipher;
};
struct wmm_qinfo {
s32 weight;
s32 wme_params;
s32 pkt_contended;
};
struct transmit_q_stats {
u32 total_tx_pkt_send[NUM_EDCA_QUEUES + 1];
u32 total_tx_pkt_freed[NUM_EDCA_QUEUES + 1];
};
struct vif_priv {
bool is_ht;
bool sgi;
u16 seq_start;
};
struct rsi_event {
atomic_t event_condition;
wait_queue_head_t event_queue;
};
struct rsi_thread {
void (*thread_function)(void *);
struct completion completion;
struct task_struct *task;
struct rsi_event event;
atomic_t thread_done;
};
struct rsi_hw;
struct rsi_common {
struct rsi_hw *priv;
struct vif_priv vif_info[RSI_MAX_VIFS];
bool mgmt_q_block;
struct version_info driver_ver;
struct version_info fw_ver;
struct rsi_thread tx_thread;
struct sk_buff_head tx_queue[NUM_EDCA_QUEUES + 1];
/* Mutex declaration */
struct mutex mutex;
/* Mutex used between tx/rx threads */
struct mutex tx_rxlock;
u8 endpoint;
/* Channel/band related */
u8 band;
u8 channel_width;
u16 rts_threshold;
u16 bitrate_mask[2];
u32 fixedrate_mask[2];
u8 rf_reset;
struct transmit_q_stats tx_stats;
struct security_info secinfo;
struct wmm_qinfo tx_qinfo[NUM_EDCA_QUEUES];
struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
u8 mac_addr[IEEE80211_ADDR_LEN];
/* state related */
u32 fsm_state;
bool init_done;
u8 bb_rf_prog_count;
bool iface_down;
/* Generic */
u8 channel;
u8 *rx_data_pkt;
u8 mac_id;
u8 radio_id;
u16 rate_pwr[20];
u16 min_rate;
/* WMM algo related */
u8 selected_qnum;
u32 pkt_cnt;
u8 min_weight;
};
struct rsi_hw {
struct rsi_common *priv;
struct ieee80211_hw *hw;
struct ieee80211_vif *vifs[RSI_MAX_VIFS];
struct ieee80211_tx_queue_params edca_params[NUM_EDCA_QUEUES];
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct device *device;
u8 sc_nvifs;
#ifdef CONFIG_RSI_DEBUGFS
struct rsi_debugfs *dfsentry;
u8 num_debugfs_entries;
#endif
void *rsi_dev;
int (*host_intf_read_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
int (*host_intf_write_pkt)(struct rsi_hw *adapter, u8 *pkt, u32 len);
int (*check_hw_queue_status)(struct rsi_hw *adapter, u8 q_num);
int (*rx_urb_submit)(struct rsi_hw *adapter);
int (*determine_event_timeout)(struct rsi_hw *adapter);
};
#endif
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